Smallest whole-pixel size 239 × 100.
In CSS: aspect-ratio: 2.39 / 1. Rotated it becomes 1:2.39.
Where 2.39:1 is used
Modern anamorphic theatrical release.
The current DCI scope standard, marginally wider than the 2.35:1 it replaced in 1970.
Rendered live with aspect-ratio: 2.39 / 1.
2.39:1 resolutions
Every size below is exactly 2.39:1 — no rounding. Sizes marked as a standard are named display resolutions.
| Resolution | Width | Height | Megapixels | Standard |
|---|---|---|---|---|
| 239 × 100 | 239 | 100 | 0.02 | — |
| 478 × 200 | 478 | 200 | 0.1 | — |
| 717 × 300 | 717 | 300 | 0.22 | — |
| 956 × 400 | 956 | 400 | 0.38 | — |
| 1195 × 500 | 1195 | 500 | 0.6 | — |
| 1434 × 600 | 1434 | 600 | 0.86 | — |
| 1673 × 700 | 1673 | 700 | 1.17 | — |
| 1912 × 800 | 1912 | 800 | 1.53 | — |
| 2151 × 900 | 2151 | 900 | 1.94 | — |
| 2390 × 1000 | 2390 | 1000 | 2.39 | — |
| 2629 × 1100 | 2629 | 1100 | 2.89 | — |
| 2868 × 1200 | 2868 | 1200 | 3.44 | — |
| 3107 × 1300 | 3107 | 1300 | 4.04 | — |
| 3346 × 1400 | 3346 | 1400 | 4.68 | — |
| 3585 × 1500 | 3585 | 1500 | 5.38 | — |
| 3824 × 1600 | 3824 | 1600 | 6.12 | — |
| 4063 × 1700 | 4063 | 1700 | 6.91 | — |
| 4302 × 1800 | 4302 | 1800 | 7.74 | — |
| 4541 × 1900 | 4541 | 1900 | 8.63 | — |
| 4780 × 2000 | 4780 | 2000 | 9.56 | — |
| 5019 × 2100 | 5019 | 2100 | 10.54 | — |
| 5258 × 2200 | 5258 | 2200 | 11.57 | — |
| 5497 × 2300 | 5497 | 2300 | 12.64 | — |
| 5736 × 2400 | 5736 | 2400 | 13.77 | — |
| 5975 × 2500 | 5975 | 2500 | 14.94 | — |
| 6214 × 2600 | 6214 | 2600 | 16.16 | — |
| 6453 × 2700 | 6453 | 2700 | 17.42 | — |
| 6692 × 2800 | 6692 | 2800 | 18.74 | — |
| 6931 × 2900 | 6931 | 2900 | 20.1 | — |
| 7170 × 3000 | 7170 | 3000 | 21.51 | — |
| 7409 × 3100 | 7409 | 3100 | 22.97 | — |
| 7648 × 3200 | 7648 | 3200 | 24.47 | — |
| 7887 × 3300 | 7887 | 3300 | 26.03 | — |
| 8126 × 3400 | 8126 | 3400 | 27.63 | — |
Using 2.39:1 in CSS
/* Modern — one line */
.box { aspect-ratio: 2.39 / 1; }
/* With a fixed width */
.box { width: 100%; max-width: 956px; aspect-ratio: 2.39 / 1; }
/* Legacy padding-top hack, if you still need it */
.box-legacy { position: relative; }
.box-legacy::before { content: ""; display: block; padding-top: 41.841%; }
.box-legacy > * { position: absolute; inset: 0; }Named standards at 2.39:1
Questions about 2.39:1
What resolution is 2.39:1?
2.39:1 is a ratio, not a fixed resolution — any size where width ÷ height equals 2.39 qualifies. The smallest whole-pixel pair is 239 × 100, and common ones include 717 × 300, 956 × 400, 1195 × 500, 1434 × 600.
What is 2.39:1 used for?
Modern anamorphic theatrical release.
How do I set 2.39:1 in CSS?
Use the aspect-ratio property: aspect-ratio: 2.39 / 1;. The element then keeps that shape at any width. It is supported in every current browser.
What is 2.39:1 the other way round?
Rotated 90 degrees it becomes 1:2.39.
How do I calculate a 2.39:1 height from a width?
Multiply the width by 0.41841. For example 1195 × 0.41841 = 500. The calculator does it both directions.